When you suddenly run out of power, it is very annoying. You can no longer use the electronic devices in your home and the lights go out. This can be a general malfunction or a malfunction in the electrical installation. The latter can lead to dangerous situations. Most people do everything they can to limit the chance of a power failure, but the cause of this is often unknown. To make sure that the power failure is resolved in the right way, you can call an electrician. But what is actually the cause of the power failure? And how can this be prevented in the future?